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Buy a Power Adapters online , you will find that the price gap is still very large, the same power of the power products, the price can sometimes differ by as much as tens of dollars. Why is there such a situation? So where is the price difference? We will find a national standard and non-standard power supply for comparison, to see the difference between the two.
|The difference||International Standard power adapter||Non-standard power adapter|
|Printed board||High temperature resistant, flame retardant, shock resistant, environmentally friendly, fiberglass pcb sheet||Thickness is not up to standard, sheet is thin, flammable and fragile|
|Components||Brand components, automatic patch, high performance, high temperature aging||The components are prone to heat, the performance is unstable, the work is cut, the vibration is easy to fall off.|
|transformer||Pure copper, good electrical properties, low loss, large current capacity, strong thermal stability||Copper clad aluminum, low electrical conductivity|
|shell||Flame retardant material, high temperature and flame retardant, beautiful surface and toughness||Non-flame retardant material, poor temperature resistance, flammable casing|
|power cable||National standard pure copper wire, plug flame retardant, safe and reliablewith standard0.5 mmm2 wire diameter||Ordinary non-standard line, wire impurities, wire, easy to heat|
|welding||Fully automatic wave soldering, the solder joints are round and shiny||Solder joints have seams, poor soldering, easy to connect short circuit|
|fan||High quality fan durable and good heat dissipation||High noise, poor wind speed, easy card, some chargers or even no fans|
|Electric conversion rate||The conversion rate is over 95% , the input power is about260W , and the power is saved.||The conversion rate is about 65% , the input power is 380W , and the power is charged.|
Compared with the national standard certified power supply, the non-standard power adapter is a lot worse in material selection and workmanship, and the money should be saved a little from here.
Professional manufacturer you can find us: www.anenpower.com